($(outdir)/%.pdf): add DVIPS_FLAGS. This will

[lilypond.git] / lily / text-item.cc

diff --git a/lily/text-item.cc b/lily/text-item.cc
index feca94f8845ef460a56e1ffec8d37189e196ef10..f45b66e068b14e2c229e8552530cf80692a7de65 100644 (file)
--- a/lily/text-item.cc
+++ b/lily/text-item.cc
@@ -3,45 +3,85 @@
 
   source file of the GNU LilyPond music typesetter
   
-  (c) 1998--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
+  (c) 1998--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  Jan Nieuwenhuizen <janneke@gnu.org>
  */
+#include <math.h>
 
-#include "debug.hh"
-#include "molecule.hh"
+#include "warn.hh"
+#include "grob.hh"
+#include "text-item.hh"
+#include "font-interface.hh"
+#include "virtual-font-metric.hh"
 #include "paper-def.hh"
-#include "lookup.hh"
-#include "staff-symbol-referencer.hh"
 
-struct Text_item
+MAKE_SCHEME_CALLBACK(Text_item,interpret_markup,3);
+SCM
+Text_item::interpret_markup (SCM paper, SCM props, SCM markup)
 {
-  DECLARE_SCHEME_CALLBACK( brew_molecule, (SCM));
-};
-
+  if (gh_string_p (markup))
+    {
+      Paper_def *pap = unsmob_paper (paper);
+      Font_metric *fm = select_font (pap, props);
+  
+      SCM list = scm_list_n (ly_symbol2scm ("text"), markup, SCM_UNDEFINED);
+      
+      if (dynamic_cast<Virtual_font_metric*> (fm))
+       {
+         /*
+           ARGH.
+         */
+         programming_error ("Can't use virtual font for text.");
+       }
+      else
+       list = fontify_atom (fm, list);
 
-MAKE_SCHEME_CALLBACK(Text_item,brew_molecule,1);
+      Box b = fm->text_dimension (ly_scm2string (markup));
+      return Stencil (b, list).smobbed_copy();
+    }
+  else if (gh_pair_p (markup))
+    {
+      SCM func = gh_car (markup);
+      SCM args = gh_cdr (markup);
+      if (!markup_p (markup))
+       programming_error ("Markup head has no markup signature.");
+      
+      return scm_apply_2 (func, paper, props, args);
+    }
+  else
+    {
+      return SCM_EOL;
+    }
+}
 
-SCM 
-Text_item::brew_molecule (SCM sm) 
+MAKE_SCHEME_CALLBACK(Text_item,print,1);
+SCM
+Text_item::print (SCM grob)
 {
-  Score_element * s = unsmob_element (sm);
+  Grob * me = unsmob_grob (grob);
   
-  SCM style = s->get_elt_property ("style");
-  String st = gh_string_p (style) ?  ly_scm2string (style) : "";
-  SCM txt = s-> get_elt_property ("text");
-  String t = gh_string_p (txt) ? ly_scm2string (txt) : "";
+  SCM t = me->get_grob_property ("text");
+  SCM chain = Font_interface::font_alist_chain (me);
+  return interpret_markup (me->get_paper ()->self_scm (), chain, t);
+}
 
-  Molecule mol =  s->paper_l ()->lookup_l(0)->text (st, t, s->paper_l ());
 
-  SCM space =  s->get_elt_property ("word-space");
-  if (gh_number_p (space))
-    {
-      Molecule m;
-      m.set_empty (false);
-      mol.add_at_edge (X_AXIS, RIGHT, m, gh_scm2double (space)*
-                      Staff_symbol_referencer::staff_space (s));
-    }
-  return mol.create_scheme (); 
+/*
+  Ugh. Duplicated from Scheme.
+ */
+bool
+Text_item::markup_p (SCM x)
+{
+  return
+    gh_string_p (x) ||
+    (gh_pair_p (x)
+     && SCM_BOOL_F != scm_object_property (gh_car (x), ly_symbol2scm ("markup-signature")));
 }
 
+ADD_INTERFACE (Text_item,"text-interface",
+  "A scheme markup text, see @usermanref{Markup functions}.",
+  "text baseline-skip word-space");
+
+
+